Experience the Unparalleled Capability of the 2026 GMC Sierra 2500HD AT4
Elevate your driving experience with the exceptional 2026 GMC Sierra 2500HD AT4. This powerful and versatile heavy-duty pickup is designed to conquer any terrain, whether you're tackling rugged off-road adventures or taking on demanding towing and hauling tasks.
AT4 Preferred Package
Gooseneck/5th Wheel Prep Package
Preferred Equipment Group 4SB
Technology Package
X31 Off-Road Package
Under the hood, the Sierra 2500HD AT4 boasts a robust 6.6L V8 engine paired with a smooth-shifting 10-speed automatic transmission and a capable 4WD system. This combination delivers exceptional power and performance, ensuring you can confidently take on any challenge that comes your way.
The Sierra 2500HD AT4 is more than just a workhorse; it's a premium-quality vehicle that pampers you with an array of advanced features. Enjoy the convenience of the Bose Premium 7-Speaker Sound System, the intuitive Premium GMC Infotainment System, and the comfort of heated and ventilated front seats. The SiriusXM with 360L Trial Subscription and the Wireless Charging feature add to the vehicle's modern amenities.
Beyond its impressive capabilities, the Sierra 2500HD AT4 also boasts a bold and distinctive design. The Gloss Black Header Grille and Grille Insert Bars, combined with the 20 High Gloss Black 8 Spokes Aluminum Wheels, give this truck a commanding presence on the road. The Spray-on Pickup Bedliner with GMC Logo and the Rear Wheelhouse Liners provide practical protection for your cargo area.
Safety is a top priority in the Sierra 2500HD AT4, with features like Automatic Emergency Braking, Forward Collision Alert, Front Pedestrian Braking, and the Ultrasonic Front and Rear Park Assist system. The HD Surround Vision and the Trailer Cam Provisions and Trailer Viewing Software further enhance your confidence behind the wheel.
Whether you're tackling tough jobs or seeking the ultimate off-road adventure, the 2026 GMC Sierra 2500HD AT4 is the perfect companion. Experience the unparalleled power, capability, and premium features that make this truck a true standout in its class.
Prices may change at any time and are subject to availability and prior sale. Taxes, title, license fees, and a $180 documentation fee are not included. Pricing reflects all applicable rebates and incentives assigned to the dealer. Example payments are estimates; actual terms vary based on credit approval. APR and payment estimates apply to qualified buyers, not all buyers qualify for advertised rates. Factory cash incentives may not be combined with promotional APR. Fuel economy ratings and driving range figures are based on EPA estimates for new vehicles, and actual mileage and range may vary. Some in-stock vehicles may include a $1,295 Clear Guard Protection package By submitting your phone number online, you consent to occasional SMS or voice calls about our products and promotions; standard messaging rates may apply. Consult dealer for offer eligibility and other details. Factory MSRP is not the final advertised/asking price of the vehicle. Fuel economy figures are EPA estimates. Price includes: $500 - Purchase Allowance




